{"title":"一种适用于2.45 GHz无线局域网的新型可穿戴天线阵列","authors":"M. R. Islam, Mohammod Ali","doi":"10.1109/APS.2011.5997096","DOIUrl":null,"url":null,"abstract":"A three-element wearable antenna array is introduced for operation at 2.45 GHz. Using varactor controlled parasitic elements near a driven folded dipole a scanning angular range of 95° can be achieved in the azimuth plane. Simulation results confirm that the peak gain of the array is 6.9 dBi when it is placed at 20 mm above the chest of a heterogeneous anatomical human body model. Almost 30% improvement in radiation efficiency is obtained with the parasitic array compared to a single resonant antenna. Also the new antenna array results in much lower specific absorption rate (SAR) compared to a conventional resonant λ/2 dipole antenna.","PeriodicalId":6449,"journal":{"name":"2011 IEEE International Symposium on Antennas and Propagation (APSURSI)","volume":"298 1","pages":"2754-2757"},"PeriodicalIF":0.0000,"publicationDate":"2011-07-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"11","resultStr":"{\"title\":\"A novel wearable antenna array for 2.45 GHz WLAN application\",\"authors\":\"M. R. Islam, Mohammod Ali\",\"doi\":\"10.1109/APS.2011.5997096\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"A three-element wearable antenna array is introduced for operation at 2.45 GHz. Using varactor controlled parasitic elements near a driven folded dipole a scanning angular range of 95° can be achieved in the azimuth plane. Simulation results confirm that the peak gain of the array is 6.9 dBi when it is placed at 20 mm above the chest of a heterogeneous anatomical human body model. Almost 30% improvement in radiation efficiency is obtained with the parasitic array compared to a single resonant antenna. Also the new antenna array results in much lower specific absorption rate (SAR) compared to a conventional resonant λ/2 dipole antenna.\",\"PeriodicalId\":6449,\"journal\":{\"name\":\"2011 IEEE International Symposium on Antennas and Propagation (APSURSI)\",\"volume\":\"298 1\",\"pages\":\"2754-2757\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"2011-07-03\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"11\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"2011 IEEE International Symposium on Antennas and Propagation (APSURSI)\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.1109/APS.2011.5997096\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"2011 IEEE International Symposium on Antennas and Propagation (APSURSI)","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/APS.2011.5997096","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
A novel wearable antenna array for 2.45 GHz WLAN application
A three-element wearable antenna array is introduced for operation at 2.45 GHz. Using varactor controlled parasitic elements near a driven folded dipole a scanning angular range of 95° can be achieved in the azimuth plane. Simulation results confirm that the peak gain of the array is 6.9 dBi when it is placed at 20 mm above the chest of a heterogeneous anatomical human body model. Almost 30% improvement in radiation efficiency is obtained with the parasitic array compared to a single resonant antenna. Also the new antenna array results in much lower specific absorption rate (SAR) compared to a conventional resonant λ/2 dipole antenna.
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